19896786

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4049}}^1$

素因数の和:4080

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 34535214

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 4049, 4914, 8098, 12147, 24294, 28343, 36441, 52637, 56686, 72882, 85029, 105274, 109323, 157911, 170058, 218646, 255087, 315822, 368459, 473733, 510174, 736918, 765261, 947466, 1105377, 1421199, 1530522, 2210754, 2842398, 3316131, 6632262, 9948393, 19896786]

約数ペア:

[(1, 19896786), (2, 9948393), (3, 6632262), (6, 3316131), (7, 2842398), (9, 2210754), (13, 1530522), (14, 1421199), (18, 1105377), (21, 947466), (26, 765261), (27, 736918), (39, 510174), (42, 473733), (54, 368459), (63, 315822), (78, 255087), (91, 218646), (117, 170058), (126, 157911), (182, 109323), (189, 105274), (234, 85029), (273, 72882), (351, 56686), (378, 52637), (546, 36441), (702, 28343), (819, 24294), (1638, 12147), (2457, 8098), (4049, 4914)]