19661096

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 26303704

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 113, 182, 226, 239, 364, 452, 478, 728, 791, 904, 956, 1469, 1582, 1673, 1912, 2938, 3107, 3164, 3346, 5876, 6214, 6328, 6692, 10283, 11752, 12428, 13384, 20566, 21749, 24856, 27007, 41132, 43498, 54014, 82264, 86996, 108028, 173992, 189049, 216056, 351091, 378098, 702182, 756196, 1404364, 1512392, 2457637, 2808728, 4915274, 9830548, 19661096]

約数ペア:

[(1, 19661096), (2, 9830548), (4, 4915274), (7, 2808728), (8, 2457637), (13, 1512392), (14, 1404364), (26, 756196), (28, 702182), (52, 378098), (56, 351091), (91, 216056), (104, 189049), (113, 173992), (182, 108028), (226, 86996), (239, 82264), (364, 54014), (452, 43498), (478, 41132), (728, 27007), (791, 24856), (904, 21749), (956, 20566), (1469, 13384), (1582, 12428), (1673, 11752), (1912, 10283), (2938, 6692), (3107, 6328), (3164, 6214), (3346, 5876)]