19027680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{809}}^1$

素因数の和:841

約数の個数: 144

約数和(自身を含む): 69809040

約数和(自身を除く): 50781360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 809, 840, 980, 1120, 1176, 1470, 1568, 1618, 1680, 1960, 2352, 2427, 2940, 3236, 3360, 3920, 4045, 4704, 4854, 5663, 5880, 6472, 7840, 8090, 9708, 11326, 11760, 12135, 12944, 16180, 16989, 19416, 22652, 23520, 24270, 25888, 28315, 32360, 33978, 38832, 39641, 45304, 48540, 56630, 64720, 67956, 77664, 79282, 84945, 90608, 97080, 113260, 118923, 129440, 135912, 158564, 169890, 181216, 194160, 198205, 226520, 237846, 271824, 317128, 339780, 388320, 396410, 453040, 475692, 543648, 594615, 634256, 679560, 792820, 906080, 951384, 1189230, 1268512, 1359120, 1585640, 1902768, 2378460, 2718240, 3171280, 3805536, 4756920, 6342560, 9513840, 19027680]

約数ペア:

[(1, 19027680), (2, 9513840), (3, 6342560), (4, 4756920), (5, 3805536), (6, 3171280), (7, 2718240), (8, 2378460), (10, 1902768), (12, 1585640), (14, 1359120), (15, 1268512), (16, 1189230), (20, 951384), (21, 906080), (24, 792820), (28, 679560), (30, 634256), (32, 594615), (35, 543648), (40, 475692), (42, 453040), (48, 396410), (49, 388320), (56, 339780), (60, 317128), (70, 271824), (80, 237846), (84, 226520), (96, 198205), (98, 194160), (105, 181216), (112, 169890), (120, 158564), (140, 135912), (147, 129440), (160, 118923), (168, 113260), (196, 97080), (210, 90608), (224, 84945), (240, 79282), (245, 77664), (280, 67956), (294, 64720), (336, 56630), (392, 48540), (420, 45304), (480, 39641), (490, 38832), (560, 33978), (588, 32360), (672, 28315), (735, 25888), (784, 24270), (809, 23520), (840, 22652), (980, 19416), (1120, 16989), (1176, 16180), (1470, 12944), (1568, 12135), (1618, 11760), (1680, 11326), (1960, 9708), (2352, 8090), (2427, 7840), (2940, 6472), (3236, 5880), (3360, 5663), (3920, 4854), (4045, 4704)]