2017800018

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:465

約数の個数: 128

約数和(自身を含む): 4935168000

約数和(自身を除く): 2917367982

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 101, 117, 149, 191, 202, 234, 298, 303, 351, 382, 447, 573, 606, 702, 894, 909, 1146, 1313, 1341, 1719, 1818, 1937, 2483, 2626, 2682, 2727, 3438, 3874, 3939, 4023, 4966, 5157, 5454, 5811, 7449, 7878, 8046, 10314, 11622, 11817, 14898, 15049, 17433, 19291, 22347, 23634, 28459, 30098, 34866, 35451, 38582, 44694, 45147, 52299, 56918, 57873, 67041, 70902, 85377, 90294, 104598, 115746, 134082, 135441, 170754, 173619, 195637, 250783, 256131, 270882, 347238, 369967, 391274, 406323, 501566, 512262, 520857, 586911, 739934, 752349, 768393, 812646, 1041714, 1109901, 1173822, 1504698, 1536786, 1760733, 2219802, 2257047, 2874359, 3329703, 3521466, 4514094, 5282199, 5748718, 6659406, 6771141, 8623077, 9989109, 10564398, 13542282, 17246154, 19978218, 25869231, 37366667, 51738462, 74733334, 77607693, 112100001, 155215386, 224200002, 336300003, 672600006, 1008900009, 2017800018]

約数ペア:

[(1, 2017800018), (2, 1008900009), (3, 672600006), (6, 336300003), (9, 224200002), (13, 155215386), (18, 112100001), (26, 77607693), (27, 74733334), (39, 51738462), (54, 37366667), (78, 25869231), (101, 19978218), (117, 17246154), (149, 13542282), (191, 10564398), (202, 9989109), (234, 8623077), (298, 6771141), (303, 6659406), (351, 5748718), (382, 5282199), (447, 4514094), (573, 3521466), (606, 3329703), (702, 2874359), (894, 2257047), (909, 2219802), (1146, 1760733), (1313, 1536786), (1341, 1504698), (1719, 1173822), (1818, 1109901), (1937, 1041714), (2483, 812646), (2626, 768393), (2682, 752349), (2727, 739934), (3438, 586911), (3874, 520857), (3939, 512262), (4023, 501566), (4966, 406323), (5157, 391274), (5454, 369967), (5811, 347238), (7449, 270882), (7878, 256131), (8046, 250783), (10314, 195637), (11622, 173619), (11817, 170754), (14898, 135441), (15049, 134082), (17433, 115746), (19291, 104598), (22347, 90294), (23634, 85377), (28459, 70902), (30098, 67041), (34866, 57873), (35451, 56918), (38582, 52299), (44694, 45147)]