19477380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24971}}^1$

素因数の和:24996

約数の個数: 48

約数和(自身を含む): 58734144

約数和(自身を除く): 39256764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 24971, 49942, 74913, 99884, 124855, 149826, 249710, 299652, 324623, 374565, 499420, 649246, 749130, 973869, 1298492, 1498260, 1623115, 1947738, 3246230, 3895476, 4869345, 6492460, 9738690, 19477380]

約数ペア:

[(1, 19477380), (2, 9738690), (3, 6492460), (4, 4869345), (5, 3895476), (6, 3246230), (10, 1947738), (12, 1623115), (13, 1498260), (15, 1298492), (20, 973869), (26, 749130), (30, 649246), (39, 499420), (52, 374565), (60, 324623), (65, 299652), (78, 249710), (130, 149826), (156, 124855), (195, 99884), (260, 74913), (390, 49942), (780, 24971)]