19437040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:650

約数の個数: 80

約数和(自身を含む): 52585920

約数和(自身を除く): 33148880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 569, 610, 854, 976, 1138, 1220, 1708, 2135, 2276, 2440, 2845, 3416, 3983, 4270, 4552, 4880, 5690, 6832, 7966, 8540, 9104, 11380, 15932, 17080, 19915, 22760, 31864, 34160, 34709, 39830, 45520, 63728, 69418, 79660, 138836, 159320, 173545, 242963, 277672, 318640, 347090, 485926, 555344, 694180, 971852, 1214815, 1388360, 1943704, 2429630, 2776720, 3887408, 4859260, 9718520, 19437040]

約数ペア:

[(1, 19437040), (2, 9718520), (4, 4859260), (5, 3887408), (7, 2776720), (8, 2429630), (10, 1943704), (14, 1388360), (16, 1214815), (20, 971852), (28, 694180), (35, 555344), (40, 485926), (56, 347090), (61, 318640), (70, 277672), (80, 242963), (112, 173545), (122, 159320), (140, 138836), (244, 79660), (280, 69418), (305, 63728), (427, 45520), (488, 39830), (560, 34709), (569, 34160), (610, 31864), (854, 22760), (976, 19915), (1138, 17080), (1220, 15932), (1708, 11380), (2135, 9104), (2276, 8540), (2440, 7966), (2845, 6832), (3416, 5690), (3983, 4880), (4270, 4552)]