15473980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{947}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 35038080

約数和(自身を除く): 19564100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 947, 1634, 1894, 3268, 3788, 4085, 4735, 8170, 9470, 16340, 17993, 18940, 35986, 40721, 71972, 81442, 89965, 162884, 179930, 203605, 359860, 407210, 773699, 814420, 1547398, 3094796, 3868495, 7736990, 15473980]

約数ペア:

[(1, 15473980), (2, 7736990), (4, 3868495), (5, 3094796), (10, 1547398), (19, 814420), (20, 773699), (38, 407210), (43, 359860), (76, 203605), (86, 179930), (95, 162884), (172, 89965), (190, 81442), (215, 71972), (380, 40721), (430, 35986), (817, 18940), (860, 17993), (947, 16340), (1634, 9470), (1894, 8170), (3268, 4735), (3788, 4085)]