17994154516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{256517}}^1$

素因数の和:256624

約数の個数: 48

約数和(自身を含む): 36199820160

約数和(自身を除く): 18205665644

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 71, 76, 142, 247, 284, 494, 923, 988, 1349, 1846, 2698, 3692, 5396, 17537, 35074, 70148, 256517, 513034, 1026068, 3334721, 4873823, 6669442, 9747646, 13338884, 18212707, 19495292, 36425414, 63359699, 72850828, 126719398, 236765191, 253438796, 346041433, 473530382, 692082866, 947060764, 1384165732, 4498538629, 8997077258, 17994154516]

約数ペア:

[(1, 17994154516), (2, 8997077258), (4, 4498538629), (13, 1384165732), (19, 947060764), (26, 692082866), (38, 473530382), (52, 346041433), (71, 253438796), (76, 236765191), (142, 126719398), (247, 72850828), (284, 63359699), (494, 36425414), (923, 19495292), (988, 18212707), (1349, 13338884), (1846, 9747646), (2698, 6669442), (3692, 4873823), (5396, 3334721), (17537, 1026068), (35074, 513034), (70148, 256517)]