19544140

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:85

約数の個数: 120

約数和(自身を含む): 53644752

約数和(自身を除く): 34100612

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 37, 44, 49, 55, 70, 74, 77, 98, 110, 140, 148, 154, 185, 196, 220, 245, 259, 308, 343, 370, 385, 407, 490, 518, 539, 686, 740, 770, 814, 980, 1036, 1078, 1295, 1372, 1540, 1628, 1715, 1813, 2035, 2156, 2401, 2590, 2695, 2849, 3430, 3626, 3773, 4070, 4802, 5180, 5390, 5698, 6860, 7252, 7546, 8140, 9065, 9604, 10780, 11396, 12005, 12691, 14245, 15092, 18130, 18865, 19943, 24010, 25382, 26411, 28490, 36260, 37730, 39886, 48020, 50764, 52822, 56980, 63455, 75460, 79772, 88837, 99715, 105644, 126910, 132055, 139601, 177674, 199430, 253820, 264110, 279202, 355348, 398860, 444185, 528220, 558404, 698005, 888370, 977207, 1396010, 1776740, 1954414, 2792020, 3908828, 4886035, 9772070, 19544140]

約数ペア:

[(1, 19544140), (2, 9772070), (4, 4886035), (5, 3908828), (7, 2792020), (10, 1954414), (11, 1776740), (14, 1396010), (20, 977207), (22, 888370), (28, 698005), (35, 558404), (37, 528220), (44, 444185), (49, 398860), (55, 355348), (70, 279202), (74, 264110), (77, 253820), (98, 199430), (110, 177674), (140, 139601), (148, 132055), (154, 126910), (185, 105644), (196, 99715), (220, 88837), (245, 79772), (259, 75460), (308, 63455), (343, 56980), (370, 52822), (385, 50764), (407, 48020), (490, 39886), (518, 37730), (539, 36260), (686, 28490), (740, 26411), (770, 25382), (814, 24010), (980, 19943), (1036, 18865), (1078, 18130), (1295, 15092), (1372, 14245), (1540, 12691), (1628, 12005), (1715, 11396), (1813, 10780), (2035, 9604), (2156, 9065), (2401, 8140), (2590, 7546), (2695, 7252), (2849, 6860), (3430, 5698), (3626, 5390), (3773, 5180), (4070, 4802)]