2019291428

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{4789}}^1$

素因数の和:4885

約数の個数: 72

約数和(自身を含む): 4528964160

約数和(自身を除く): 2509672732

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 148, 154, 259, 308, 407, 518, 814, 1036, 1369, 1628, 2738, 2849, 4789, 5476, 5698, 9578, 9583, 11396, 15059, 19156, 19166, 30118, 33523, 38332, 52679, 60236, 67046, 105358, 105413, 134092, 177193, 210716, 210826, 354386, 368753, 421652, 708772, 737506, 1240351, 1475012, 1949123, 2480702, 3898246, 4961404, 6556141, 7796492, 13112282, 13643861, 26224564, 27287722, 45892987, 54575444, 72117551, 91785974, 144235102, 183571948, 288470204, 504822857, 1009645714, 2019291428]

約数ペア:

[(1, 2019291428), (2, 1009645714), (4, 504822857), (7, 288470204), (11, 183571948), (14, 144235102), (22, 91785974), (28, 72117551), (37, 54575444), (44, 45892987), (74, 27287722), (77, 26224564), (148, 13643861), (154, 13112282), (259, 7796492), (308, 6556141), (407, 4961404), (518, 3898246), (814, 2480702), (1036, 1949123), (1369, 1475012), (1628, 1240351), (2738, 737506), (2849, 708772), (4789, 421652), (5476, 368753), (5698, 354386), (9578, 210826), (9583, 210716), (11396, 177193), (15059, 134092), (19156, 105413), (19166, 105358), (30118, 67046), (33523, 60236), (38332, 52679)]