19799703324

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{131357}}^1$

素因数の和:131499

約数の個数: 72

約数和(自身を含む): 51639456960

約数和(自身を除く): 31839753636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 79, 106, 158, 159, 212, 237, 316, 318, 474, 477, 636, 711, 948, 954, 1422, 1908, 2844, 4187, 8374, 12561, 16748, 25122, 37683, 50244, 75366, 131357, 150732, 262714, 394071, 525428, 788142, 1182213, 1576284, 2364426, 4728852, 6961921, 10377203, 13923842, 20754406, 20885763, 27847684, 31131609, 41508812, 41771526, 62263218, 62657289, 83543052, 93394827, 124526436, 125314578, 186789654, 250629156, 373579308, 549991759, 1099983518, 1649975277, 2199967036, 3299950554, 4949925831, 6599901108, 9899851662, 19799703324]

約数ペア:

[(1, 19799703324), (2, 9899851662), (3, 6599901108), (4, 4949925831), (6, 3299950554), (9, 2199967036), (12, 1649975277), (18, 1099983518), (36, 549991759), (53, 373579308), (79, 250629156), (106, 186789654), (158, 125314578), (159, 124526436), (212, 93394827), (237, 83543052), (316, 62657289), (318, 62263218), (474, 41771526), (477, 41508812), (636, 31131609), (711, 27847684), (948, 20885763), (954, 20754406), (1422, 13923842), (1908, 10377203), (2844, 6961921), (4187, 4728852), (8374, 2364426), (12561, 1576284), (16748, 1182213), (25122, 788142), (37683, 525428), (50244, 394071), (75366, 262714), (131357, 150732)]