19551870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{983}}^1$

素因数の和:1026

約数の個数: 96

約数和(自身を含む): 58024512

約数和(自身を除く): 38472642

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 34, 39, 45, 51, 65, 78, 85, 90, 102, 117, 130, 153, 170, 195, 221, 234, 255, 306, 390, 442, 510, 585, 663, 765, 983, 1105, 1170, 1326, 1530, 1966, 1989, 2210, 2949, 3315, 3978, 4915, 5898, 6630, 8847, 9830, 9945, 12779, 14745, 16711, 17694, 19890, 25558, 29490, 33422, 38337, 44235, 50133, 63895, 76674, 83555, 88470, 100266, 115011, 127790, 150399, 167110, 191685, 217243, 230022, 250665, 300798, 383370, 434486, 501330, 575055, 651729, 751995, 1086215, 1150110, 1303458, 1503990, 1955187, 2172430, 3258645, 3910374, 6517290, 9775935, 19551870]

約数ペア:

[(1, 19551870), (2, 9775935), (3, 6517290), (5, 3910374), (6, 3258645), (9, 2172430), (10, 1955187), (13, 1503990), (15, 1303458), (17, 1150110), (18, 1086215), (26, 751995), (30, 651729), (34, 575055), (39, 501330), (45, 434486), (51, 383370), (65, 300798), (78, 250665), (85, 230022), (90, 217243), (102, 191685), (117, 167110), (130, 150399), (153, 127790), (170, 115011), (195, 100266), (221, 88470), (234, 83555), (255, 76674), (306, 63895), (390, 50133), (442, 44235), (510, 38337), (585, 33422), (663, 29490), (765, 25558), (983, 19890), (1105, 17694), (1170, 16711), (1326, 14745), (1530, 12779), (1966, 9945), (1989, 9830), (2210, 8847), (2949, 6630), (3315, 5898), (3978, 4915)]