18866678406

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1109}}^1\times {\mathrm{1889}}^1$

素因数の和:3101

約数の個数: 64

約数和(自身を含む): 40279680000

約数和(自身を除く): 21413001594

約数列:

[1, 2, 3, 6, 19, 38, 57, 79, 114, 158, 237, 474, 1109, 1501, 1889, 2218, 3002, 3327, 3778, 4503, 5667, 6654, 9006, 11334, 21071, 35891, 42142, 63213, 71782, 87611, 107673, 126426, 149231, 175222, 215346, 262833, 298462, 447693, 525666, 895386, 1664609, 2094901, 2835389, 3329218, 4189802, 4993827, 5670778, 6284703, 8506167, 9987654, 12569406, 17012334, 39803119, 79606238, 119409357, 165497179, 238818714, 330994358, 496491537, 992983074, 3144446401, 6288892802, 9433339203, 18866678406]

約数ペア:

[(1, 18866678406), (2, 9433339203), (3, 6288892802), (6, 3144446401), (19, 992983074), (38, 496491537), (57, 330994358), (79, 238818714), (114, 165497179), (158, 119409357), (237, 79606238), (474, 39803119), (1109, 17012334), (1501, 12569406), (1889, 9987654), (2218, 8506167), (3002, 6284703), (3327, 5670778), (3778, 4993827), (4503, 4189802), (5667, 3329218), (6654, 2835389), (9006, 2094901), (11334, 1664609), (21071, 895386), (35891, 525666), (42142, 447693), (63213, 298462), (71782, 262833), (87611, 215346), (107673, 175222), (126426, 149231)]