19912367080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2243}}^1\times {\mathrm{11681}}^1$

素因数の和:13954

約数の個数: 64

約数和(自身を含む): 47185934400

約数和(自身を除く): 27273567320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2243, 4486, 8972, 11215, 11681, 17944, 22430, 23362, 42617, 44860, 46724, 58405, 85234, 89720, 93448, 116810, 170468, 213085, 221939, 233620, 340936, 426170, 443878, 467240, 852340, 887756, 1109695, 1704680, 1775512, 2219390, 4438780, 8877560, 26200483, 52400966, 104801932, 131002415, 209603864, 262004830, 497809177, 524009660, 995618354, 1048019320, 1991236708, 2489045885, 3982473416, 4978091770, 9956183540, 19912367080]

約数ペア:

[(1, 19912367080), (2, 9956183540), (4, 4978091770), (5, 3982473416), (8, 2489045885), (10, 1991236708), (19, 1048019320), (20, 995618354), (38, 524009660), (40, 497809177), (76, 262004830), (95, 209603864), (152, 131002415), (190, 104801932), (380, 52400966), (760, 26200483), (2243, 8877560), (4486, 4438780), (8972, 2219390), (11215, 1775512), (11681, 1704680), (17944, 1109695), (22430, 887756), (23362, 852340), (42617, 467240), (44860, 443878), (46724, 426170), (58405, 340936), (85234, 233620), (89720, 221939), (93448, 213085), (116810, 170468)]