19219515

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 36334080

約数和(自身を除く): 17114565

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 79, 105, 147, 237, 245, 331, 395, 553, 735, 993, 1185, 1655, 1659, 2317, 2765, 3871, 4965, 6951, 8295, 11585, 11613, 16219, 19355, 26149, 34755, 48657, 58065, 78447, 81095, 130745, 183043, 243285, 392235, 549129, 915215, 1281301, 2745645, 3843903, 6406505, 19219515]

約数ペア:

[(1, 19219515), (3, 6406505), (5, 3843903), (7, 2745645), (15, 1281301), (21, 915215), (35, 549129), (49, 392235), (79, 243285), (105, 183043), (147, 130745), (237, 81095), (245, 78447), (331, 58065), (395, 48657), (553, 34755), (735, 26149), (993, 19355), (1185, 16219), (1655, 11613), (1659, 11585), (2317, 8295), (2765, 6951), (3871, 4965)]