18789225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2753}}^1$

素因数の和:2786

約数の個数: 48

約数和(自身を含む): 38247552

約数和(自身を除く): 19458327

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 175, 195, 273, 325, 455, 525, 975, 1365, 2275, 2753, 6825, 8259, 13765, 19271, 35789, 41295, 57813, 68825, 96355, 107367, 178945, 206475, 250523, 289065, 481775, 536835, 751569, 894725, 1252615, 1445325, 2684175, 3757845, 6263075, 18789225]

約数ペア:

[(1, 18789225), (3, 6263075), (5, 3757845), (7, 2684175), (13, 1445325), (15, 1252615), (21, 894725), (25, 751569), (35, 536835), (39, 481775), (65, 289065), (75, 250523), (91, 206475), (105, 178945), (175, 107367), (195, 96355), (273, 68825), (325, 57813), (455, 41295), (525, 35789), (975, 19271), (1365, 13765), (2275, 8259), (2753, 6825)]