19631820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25169}}^1$

素因数の和:25194

約数の個数: 48

約数和(自身を含む): 59199840

約数和(自身を除く): 39568020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 25169, 50338, 75507, 100676, 125845, 151014, 251690, 302028, 327197, 377535, 503380, 654394, 755070, 981591, 1308788, 1510140, 1635985, 1963182, 3271970, 3926364, 4907955, 6543940, 9815910, 19631820]

約数ペア:

[(1, 19631820), (2, 9815910), (3, 6543940), (4, 4907955), (5, 3926364), (6, 3271970), (10, 1963182), (12, 1635985), (13, 1510140), (15, 1308788), (20, 981591), (26, 755070), (30, 654394), (39, 503380), (52, 377535), (60, 327197), (65, 302028), (78, 251690), (130, 151014), (156, 125845), (195, 100676), (260, 75507), (390, 50338), (780, 25169)]