18980493553406

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{331}}^1\times {\mathrm{4835797}}^1$

素因数の和:4836166

約数の個数: 72

約数和(自身を含む): 36513543899448

約数和(自身を除く): 17533050346042

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 121, 154, 242, 331, 539, 662, 847, 1078, 1694, 2317, 3641, 4634, 5929, 7282, 11858, 16219, 25487, 32438, 40051, 50974, 80102, 178409, 280357, 356818, 560714, 1962499, 3924998, 4835797, 9671594, 33850579, 53193767, 67701158, 106387534, 236954053, 372356369, 473908106, 585131437, 744712738, 1170262874, 1600648807, 2606494583, 3201297614, 4095920059, 5212989166, 8191840118, 11204541649, 17607136877, 22409083298, 28671440413, 35214273754, 57342880826, 78431791543, 123249958139, 156863583086, 193678505647, 246499916278, 387357011294, 862749706973, 1355749539529, 1725499413946, 2711499079058, 9490246776703, 18980493553406]

約数ペア:

[(1, 18980493553406), (2, 9490246776703), (7, 2711499079058), (11, 1725499413946), (14, 1355749539529), (22, 862749706973), (49, 387357011294), (77, 246499916278), (98, 193678505647), (121, 156863583086), (154, 123249958139), (242, 78431791543), (331, 57342880826), (539, 35214273754), (662, 28671440413), (847, 22409083298), (1078, 17607136877), (1694, 11204541649), (2317, 8191840118), (3641, 5212989166), (4634, 4095920059), (5929, 3201297614), (7282, 2606494583), (11858, 1600648807), (16219, 1170262874), (25487, 744712738), (32438, 585131437), (40051, 473908106), (50974, 372356369), (80102, 236954053), (178409, 106387534), (280357, 67701158), (356818, 53193767), (560714, 33850579), (1962499, 9671594), (3924998, 4835797)]