18802290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1303}}^1$

素因数の和:1363

約数の個数: 64

約数和(自身を含む): 49948416

約数和(自身を除く): 31146126

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 37, 39, 65, 74, 78, 111, 130, 185, 195, 222, 370, 390, 481, 555, 962, 1110, 1303, 1443, 2405, 2606, 2886, 3909, 4810, 6515, 7215, 7818, 13030, 14430, 16939, 19545, 33878, 39090, 48211, 50817, 84695, 96422, 101634, 144633, 169390, 241055, 254085, 289266, 482110, 508170, 626743, 723165, 1253486, 1446330, 1880229, 3133715, 3760458, 6267430, 9401145, 18802290]

約数ペア:

[(1, 18802290), (2, 9401145), (3, 6267430), (5, 3760458), (6, 3133715), (10, 1880229), (13, 1446330), (15, 1253486), (26, 723165), (30, 626743), (37, 508170), (39, 482110), (65, 289266), (74, 254085), (78, 241055), (111, 169390), (130, 144633), (185, 101634), (195, 96422), (222, 84695), (370, 50817), (390, 48211), (481, 39090), (555, 33878), (962, 19545), (1110, 16939), (1303, 14430), (1443, 13030), (2405, 7818), (2606, 7215), (2886, 6515), (3909, 4810)]