18855930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 47443968

約数和(自身を除く): 28588038

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 47, 86, 94, 129, 141, 215, 235, 258, 282, 311, 430, 470, 622, 645, 705, 933, 1290, 1410, 1555, 1866, 2021, 3110, 4042, 4665, 6063, 9330, 10105, 12126, 13373, 14617, 20210, 26746, 29234, 30315, 40119, 43851, 60630, 66865, 73085, 80238, 87702, 133730, 146170, 200595, 219255, 401190, 438510, 628531, 1257062, 1885593, 3142655, 3771186, 6285310, 9427965, 18855930]

約数ペア:

[(1, 18855930), (2, 9427965), (3, 6285310), (5, 3771186), (6, 3142655), (10, 1885593), (15, 1257062), (30, 628531), (43, 438510), (47, 401190), (86, 219255), (94, 200595), (129, 146170), (141, 133730), (215, 87702), (235, 80238), (258, 73085), (282, 66865), (311, 60630), (430, 43851), (470, 40119), (622, 30315), (645, 29234), (705, 26746), (933, 20210), (1290, 14617), (1410, 13373), (1555, 12126), (1866, 10105), (2021, 9330), (3110, 6063), (4042, 4665)]