19725066830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1151}}^1\times {\mathrm{1787}}^1$

素因数の和:3089

約数の個数: 64

約数和(自身を含む): 40931868672

約数和(自身を除く): 21206801842

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1151, 1370, 1787, 1918, 2302, 3574, 4795, 5755, 8057, 8935, 9590, 11510, 12509, 16114, 17870, 25018, 40285, 62545, 80570, 125090, 157687, 244819, 315374, 489638, 788435, 1103809, 1224095, 1576870, 1713733, 2056837, 2207618, 2448190, 3427466, 4113674, 5519045, 8568665, 10284185, 11038090, 14397859, 17137330, 20568370, 28795718, 71989295, 143978590, 281786669, 563573338, 1408933345, 1972506683, 2817866690, 3945013366, 9862533415, 19725066830]

約数ペア:

[(1, 19725066830), (2, 9862533415), (5, 3945013366), (7, 2817866690), (10, 1972506683), (14, 1408933345), (35, 563573338), (70, 281786669), (137, 143978590), (274, 71989295), (685, 28795718), (959, 20568370), (1151, 17137330), (1370, 14397859), (1787, 11038090), (1918, 10284185), (2302, 8568665), (3574, 5519045), (4795, 4113674), (5755, 3427466), (8057, 2448190), (8935, 2207618), (9590, 2056837), (11510, 1713733), (12509, 1576870), (16114, 1224095), (17870, 1103809), (25018, 788435), (40285, 489638), (62545, 315374), (80570, 244819), (125090, 157687)]