19611840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:710

約数の個数: 112

約数和(自身を含む): 64373760

約数和(自身を除く): 44761920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 155, 160, 186, 192, 240, 248, 310, 320, 372, 465, 480, 496, 620, 659, 744, 930, 960, 992, 1240, 1318, 1488, 1860, 1977, 1984, 2480, 2636, 2976, 3295, 3720, 3954, 4960, 5272, 5952, 6590, 7440, 7908, 9885, 9920, 10544, 13180, 14880, 15816, 19770, 20429, 21088, 26360, 29760, 31632, 39540, 40858, 42176, 52720, 61287, 63264, 79080, 81716, 102145, 105440, 122574, 126528, 158160, 163432, 204290, 210880, 245148, 306435, 316320, 326864, 408580, 490296, 612870, 632640, 653728, 817160, 980592, 1225740, 1307456, 1634320, 1961184, 2451480, 3268640, 3922368, 4902960, 6537280, 9805920, 19611840]

約数ペア:

[(1, 19611840), (2, 9805920), (3, 6537280), (4, 4902960), (5, 3922368), (6, 3268640), (8, 2451480), (10, 1961184), (12, 1634320), (15, 1307456), (16, 1225740), (20, 980592), (24, 817160), (30, 653728), (31, 632640), (32, 612870), (40, 490296), (48, 408580), (60, 326864), (62, 316320), (64, 306435), (80, 245148), (93, 210880), (96, 204290), (120, 163432), (124, 158160), (155, 126528), (160, 122574), (186, 105440), (192, 102145), (240, 81716), (248, 79080), (310, 63264), (320, 61287), (372, 52720), (465, 42176), (480, 40858), (496, 39540), (620, 31632), (659, 29760), (744, 26360), (930, 21088), (960, 20429), (992, 19770), (1240, 15816), (1318, 14880), (1488, 13180), (1860, 10544), (1977, 9920), (1984, 9885), (2480, 7908), (2636, 7440), (2976, 6590), (3295, 5952), (3720, 5272), (3954, 4960)]