18962684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1129}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 39866400

約数和(自身を除く): 20903716

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 221, 247, 323, 442, 494, 646, 884, 988, 1129, 1292, 2258, 4199, 4516, 8398, 14677, 16796, 19193, 21451, 29354, 38386, 42902, 58708, 76772, 85804, 249509, 278863, 364667, 499018, 557726, 729334, 998036, 1115452, 1458668, 4740671, 9481342, 18962684]

約数ペア:

[(1, 18962684), (2, 9481342), (4, 4740671), (13, 1458668), (17, 1115452), (19, 998036), (26, 729334), (34, 557726), (38, 499018), (52, 364667), (68, 278863), (76, 249509), (221, 85804), (247, 76772), (323, 58708), (442, 42902), (494, 38386), (646, 29354), (884, 21451), (988, 19193), (1129, 16796), (1292, 14677), (2258, 8398), (4199, 4516)]