18867406

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 31021056

約数和(自身を除く): 12153650

約数列:

[1, 2, 23, 31, 46, 62, 101, 131, 202, 262, 713, 1426, 2323, 3013, 3131, 4061, 4646, 6026, 6262, 8122, 13231, 26462, 72013, 93403, 144026, 186806, 304313, 410161, 608626, 820322, 9433703, 18867406]

約数ペア:

[(1, 18867406), (2, 9433703), (23, 820322), (31, 608626), (46, 410161), (62, 304313), (101, 186806), (131, 144026), (202, 93403), (262, 72013), (713, 26462), (1426, 13231), (2323, 8122), (3013, 6262), (3131, 6026), (4061, 4646)]