19180590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:314

約数の個数: 128

約数和(自身を含む): 57480192

約数和(自身を除く): 38299602

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 17, 22, 26, 30, 33, 34, 39, 51, 55, 65, 66, 78, 85, 102, 110, 130, 143, 165, 170, 187, 195, 221, 255, 263, 286, 330, 374, 390, 429, 442, 510, 526, 561, 663, 715, 789, 858, 935, 1105, 1122, 1315, 1326, 1430, 1578, 1870, 2145, 2210, 2431, 2630, 2805, 2893, 3315, 3419, 3945, 4290, 4471, 4862, 5610, 5786, 6630, 6838, 7293, 7890, 8679, 8942, 10257, 12155, 13413, 14465, 14586, 17095, 17358, 20514, 22355, 24310, 26826, 28930, 34190, 36465, 37609, 43395, 44710, 49181, 51285, 58123, 67065, 72930, 75218, 86790, 98362, 102570, 112827, 116246, 134130, 147543, 174369, 188045, 225654, 245905, 290615, 295086, 348738, 376090, 491810, 564135, 581230, 639353, 737715, 871845, 1128270, 1278706, 1475430, 1743690, 1918059, 3196765, 3836118, 6393530, 9590295, 19180590]

約数ペア:

[(1, 19180590), (2, 9590295), (3, 6393530), (5, 3836118), (6, 3196765), (10, 1918059), (11, 1743690), (13, 1475430), (15, 1278706), (17, 1128270), (22, 871845), (26, 737715), (30, 639353), (33, 581230), (34, 564135), (39, 491810), (51, 376090), (55, 348738), (65, 295086), (66, 290615), (78, 245905), (85, 225654), (102, 188045), (110, 174369), (130, 147543), (143, 134130), (165, 116246), (170, 112827), (187, 102570), (195, 98362), (221, 86790), (255, 75218), (263, 72930), (286, 67065), (330, 58123), (374, 51285), (390, 49181), (429, 44710), (442, 43395), (510, 37609), (526, 36465), (561, 34190), (663, 28930), (715, 26826), (789, 24310), (858, 22355), (935, 20514), (1105, 17358), (1122, 17095), (1315, 14586), (1326, 14465), (1430, 13413), (1578, 12155), (1870, 10257), (2145, 8942), (2210, 8679), (2431, 7890), (2630, 7293), (2805, 6838), (2893, 6630), (3315, 5786), (3419, 5610), (3945, 4862), (4290, 4471)]