18799980016

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{314423}}^1$

素因数の和:314569

約数の個数: 40

約数和(自身を含む): 37779930144

約数和(自身を除く): 18979950128

約数列:

[1, 2, 4, 8, 16, 37, 74, 101, 148, 202, 296, 404, 592, 808, 1616, 3737, 7474, 14948, 29896, 59792, 314423, 628846, 1257692, 2515384, 5030768, 11633651, 23267302, 31756723, 46534604, 63513446, 93069208, 127026892, 186138416, 254053784, 508107568, 1174998751, 2349997502, 4699995004, 9399990008, 18799980016]

約数ペア:

[(1, 18799980016), (2, 9399990008), (4, 4699995004), (8, 2349997502), (16, 1174998751), (37, 508107568), (74, 254053784), (101, 186138416), (148, 127026892), (202, 93069208), (296, 63513446), (404, 46534604), (592, 31756723), (808, 23267302), (1616, 11633651), (3737, 5030768), (7474, 2515384), (14948, 1257692), (29896, 628846), (59792, 314423)]