18249900536478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{74537459}}^1$

素因数の和:74537593

約数の個数: 64

約数和(自身を含む): 40772586919680

約数和(自身を除く): 22522686383202

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 73, 78, 86, 129, 146, 219, 258, 438, 559, 949, 1118, 1677, 1898, 2847, 3139, 3354, 5694, 6278, 9417, 18834, 40807, 81614, 122421, 244842, 74537459, 149074918, 223612377, 447224754, 968986967, 1937973934, 2906960901, 3205110737, 5441234507, 5813921802, 6410221474, 9615332211, 10882469014, 16323703521, 19230664422, 32647407042, 41666439581, 70736048591, 83332879162, 124999318743, 141472097182, 212208145773, 233973083801, 249998637486, 424416291546, 467946167602, 701919251403, 1403838502806, 3041650089413, 6083300178826, 9124950268239, 18249900536478]

約数ペア:

[(1, 18249900536478), (2, 9124950268239), (3, 6083300178826), (6, 3041650089413), (13, 1403838502806), (26, 701919251403), (39, 467946167602), (43, 424416291546), (73, 249998637486), (78, 233973083801), (86, 212208145773), (129, 141472097182), (146, 124999318743), (219, 83332879162), (258, 70736048591), (438, 41666439581), (559, 32647407042), (949, 19230664422), (1118, 16323703521), (1677, 10882469014), (1898, 9615332211), (2847, 6410221474), (3139, 5813921802), (3354, 5441234507), (5694, 3205110737), (6278, 2906960901), (9417, 1937973934), (18834, 968986967), (40807, 447224754), (81614, 223612377), (122421, 149074918), (244842, 74537459)]