19072564

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 41572608

約数和(自身を除く): 22500044

約数列:

[1, 2, 4, 7, 14, 28, 31, 43, 49, 62, 73, 86, 98, 124, 146, 172, 196, 217, 292, 301, 434, 511, 602, 868, 1022, 1204, 1333, 1519, 2044, 2107, 2263, 2666, 3038, 3139, 3577, 4214, 4526, 5332, 6076, 6278, 7154, 8428, 9052, 9331, 12556, 14308, 15841, 18662, 21973, 31682, 37324, 43946, 63364, 65317, 87892, 97309, 110887, 130634, 153811, 194618, 221774, 261268, 307622, 389236, 443548, 615244, 681163, 1362326, 2724652, 4768141, 9536282, 19072564]

約数ペア:

[(1, 19072564), (2, 9536282), (4, 4768141), (7, 2724652), (14, 1362326), (28, 681163), (31, 615244), (43, 443548), (49, 389236), (62, 307622), (73, 261268), (86, 221774), (98, 194618), (124, 153811), (146, 130634), (172, 110887), (196, 97309), (217, 87892), (292, 65317), (301, 63364), (434, 43946), (511, 37324), (602, 31682), (868, 21973), (1022, 18662), (1204, 15841), (1333, 14308), (1519, 12556), (2044, 9331), (2107, 9052), (2263, 8428), (2666, 7154), (3038, 6278), (3139, 6076), (3577, 5332), (4214, 4526)]