19419780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:349

約数の個数: 96

約数和(自身を含む): 58544640

約数和(自身を除く): 39124860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 79, 85, 102, 158, 170, 204, 237, 241, 255, 316, 340, 395, 474, 482, 510, 723, 790, 948, 964, 1020, 1185, 1205, 1343, 1446, 1580, 2370, 2410, 2686, 2892, 3615, 4029, 4097, 4740, 4820, 5372, 6715, 7230, 8058, 8194, 12291, 13430, 14460, 16116, 16388, 19039, 20145, 20485, 24582, 26860, 38078, 40290, 40970, 49164, 57117, 61455, 76156, 80580, 81940, 95195, 114234, 122910, 190390, 228468, 245820, 285585, 323663, 380780, 571170, 647326, 970989, 1142340, 1294652, 1618315, 1941978, 3236630, 3883956, 4854945, 6473260, 9709890, 19419780]

約数ペア:

[(1, 19419780), (2, 9709890), (3, 6473260), (4, 4854945), (5, 3883956), (6, 3236630), (10, 1941978), (12, 1618315), (15, 1294652), (17, 1142340), (20, 970989), (30, 647326), (34, 571170), (51, 380780), (60, 323663), (68, 285585), (79, 245820), (85, 228468), (102, 190390), (158, 122910), (170, 114234), (204, 95195), (237, 81940), (241, 80580), (255, 76156), (316, 61455), (340, 57117), (395, 49164), (474, 40970), (482, 40290), (510, 38078), (723, 26860), (790, 24582), (948, 20485), (964, 20145), (1020, 19039), (1185, 16388), (1205, 16116), (1343, 14460), (1446, 13430), (1580, 12291), (2370, 8194), (2410, 8058), (2686, 7230), (2892, 6715), (3615, 5372), (4029, 4820), (4097, 4740)]