19742736

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1091}}^1$

素因数の和:1144

約数の個数: 80

約数和(自身を含む): 56871360

約数和(自身を除く): 37128624

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 29, 39, 48, 52, 58, 78, 87, 104, 116, 156, 174, 208, 232, 312, 348, 377, 464, 624, 696, 754, 1091, 1131, 1392, 1508, 2182, 2262, 3016, 3273, 4364, 4524, 6032, 6546, 8728, 9048, 13092, 14183, 17456, 18096, 26184, 28366, 31639, 42549, 52368, 56732, 63278, 85098, 94917, 113464, 126556, 170196, 189834, 226928, 253112, 340392, 379668, 411307, 506224, 680784, 759336, 822614, 1233921, 1518672, 1645228, 2467842, 3290456, 4935684, 6580912, 9871368, 19742736]

約数ペア:

[(1, 19742736), (2, 9871368), (3, 6580912), (4, 4935684), (6, 3290456), (8, 2467842), (12, 1645228), (13, 1518672), (16, 1233921), (24, 822614), (26, 759336), (29, 680784), (39, 506224), (48, 411307), (52, 379668), (58, 340392), (78, 253112), (87, 226928), (104, 189834), (116, 170196), (156, 126556), (174, 113464), (208, 94917), (232, 85098), (312, 63278), (348, 56732), (377, 52368), (464, 42549), (624, 31639), (696, 28366), (754, 26184), (1091, 18096), (1131, 17456), (1392, 14183), (1508, 13092), (2182, 9048), (2262, 8728), (3016, 6546), (3273, 6032), (4364, 4524)]