19422180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:671

約数の個数: 120

約数和(自身を含む): 64236480

約数和(自身を除く): 44814300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 631, 684, 810, 855, 1026, 1140, 1262, 1539, 1620, 1710, 1893, 2052, 2524, 2565, 3078, 3155, 3420, 3786, 5130, 5679, 6156, 6310, 7572, 7695, 9465, 10260, 11358, 11989, 12620, 15390, 17037, 18930, 22716, 23978, 28395, 30780, 34074, 35967, 37860, 47956, 51111, 56790, 59945, 68148, 71934, 85185, 102222, 107901, 113580, 119890, 143868, 170370, 179835, 204444, 215802, 239780, 255555, 323703, 340740, 359670, 431604, 511110, 539505, 647406, 719340, 971109, 1022220, 1079010, 1294812, 1618515, 1942218, 2158020, 3237030, 3884436, 4855545, 6474060, 9711090, 19422180]

約数ペア:

[(1, 19422180), (2, 9711090), (3, 6474060), (4, 4855545), (5, 3884436), (6, 3237030), (9, 2158020), (10, 1942218), (12, 1618515), (15, 1294812), (18, 1079010), (19, 1022220), (20, 971109), (27, 719340), (30, 647406), (36, 539505), (38, 511110), (45, 431604), (54, 359670), (57, 340740), (60, 323703), (76, 255555), (81, 239780), (90, 215802), (95, 204444), (108, 179835), (114, 170370), (135, 143868), (162, 119890), (171, 113580), (180, 107901), (190, 102222), (228, 85185), (270, 71934), (285, 68148), (324, 59945), (342, 56790), (380, 51111), (405, 47956), (513, 37860), (540, 35967), (570, 34074), (631, 30780), (684, 28395), (810, 23978), (855, 22716), (1026, 18930), (1140, 17037), (1262, 15390), (1539, 12620), (1620, 11989), (1710, 11358), (1893, 10260), (2052, 9465), (2524, 7695), (2565, 7572), (3078, 6310), (3155, 6156), (3420, 5679), (3786, 5130)]