19639434580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{271939}}^1$

素因数の和:272128

約数の個数: 48

約数和(自身を含む): 43310252160

約数和(自身を除く): 23670817580

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 157, 230, 314, 460, 628, 785, 1570, 3140, 3611, 7222, 14444, 18055, 36110, 72220, 271939, 543878, 1087756, 1359695, 2719390, 5438780, 6254597, 12509194, 25018388, 31272985, 42694423, 62545970, 85388846, 125091940, 170777692, 213472115, 426944230, 853888460, 981971729, 1963943458, 3927886916, 4909858645, 9819717290, 19639434580]

約数ペア:

[(1, 19639434580), (2, 9819717290), (4, 4909858645), (5, 3927886916), (10, 1963943458), (20, 981971729), (23, 853888460), (46, 426944230), (92, 213472115), (115, 170777692), (157, 125091940), (230, 85388846), (314, 62545970), (460, 42694423), (628, 31272985), (785, 25018388), (1570, 12509194), (3140, 6254597), (3611, 5438780), (7222, 2719390), (14444, 1359695), (18055, 1087756), (36110, 543878), (72220, 271939)]