19143540

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:141

約数の個数: 168

約数和(自身を含む): 65553768

約数和(自身を除く): 46410228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 101, 108, 117, 130, 135, 156, 162, 180, 195, 202, 234, 243, 260, 270, 303, 324, 351, 390, 404, 405, 468, 486, 505, 540, 585, 606, 702, 729, 780, 810, 909, 972, 1010, 1053, 1170, 1212, 1215, 1313, 1404, 1458, 1515, 1620, 1755, 1818, 2020, 2106, 2340, 2430, 2626, 2727, 2916, 3030, 3159, 3510, 3636, 3645, 3939, 4212, 4545, 4860, 5252, 5265, 5454, 6060, 6318, 6565, 7020, 7290, 7878, 8181, 9090, 9477, 10530, 10908, 11817, 12636, 13130, 13635, 14580, 15756, 15795, 16362, 18180, 18954, 19695, 21060, 23634, 24543, 26260, 27270, 31590, 32724, 35451, 37908, 39390, 40905, 47268, 47385, 49086, 54540, 59085, 63180, 70902, 73629, 78780, 81810, 94770, 98172, 106353, 118170, 122715, 141804, 147258, 163620, 177255, 189540, 212706, 236340, 245430, 294516, 319059, 354510, 368145, 425412, 490860, 531765, 638118, 709020, 736290, 957177, 1063530, 1276236, 1472580, 1595295, 1914354, 2127060, 3190590, 3828708, 4785885, 6381180, 9571770, 19143540]

約数ペア:

[(1, 19143540), (2, 9571770), (3, 6381180), (4, 4785885), (5, 3828708), (6, 3190590), (9, 2127060), (10, 1914354), (12, 1595295), (13, 1472580), (15, 1276236), (18, 1063530), (20, 957177), (26, 736290), (27, 709020), (30, 638118), (36, 531765), (39, 490860), (45, 425412), (52, 368145), (54, 354510), (60, 319059), (65, 294516), (78, 245430), (81, 236340), (90, 212706), (101, 189540), (108, 177255), (117, 163620), (130, 147258), (135, 141804), (156, 122715), (162, 118170), (180, 106353), (195, 98172), (202, 94770), (234, 81810), (243, 78780), (260, 73629), (270, 70902), (303, 63180), (324, 59085), (351, 54540), (390, 49086), (404, 47385), (405, 47268), (468, 40905), (486, 39390), (505, 37908), (540, 35451), (585, 32724), (606, 31590), (702, 27270), (729, 26260), (780, 24543), (810, 23634), (909, 21060), (972, 19695), (1010, 18954), (1053, 18180), (1170, 16362), (1212, 15795), (1215, 15756), (1313, 14580), (1404, 13635), (1458, 13130), (1515, 12636), (1620, 11817), (1755, 10908), (1818, 10530), (2020, 9477), (2106, 9090), (2340, 8181), (2430, 7878), (2626, 7290), (2727, 7020), (2916, 6565), (3030, 6318), (3159, 6060), (3510, 5454), (3636, 5265), (3645, 5252), (3939, 4860), (4212, 4545)]