18556920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2713}}^1$

素因数の和:2749

約数の個数: 96

約数和(自身を含む): 63507600

約数和(自身を除く): 44950680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 2713, 3420, 5426, 6840, 8139, 10852, 13565, 16278, 21704, 24417, 27130, 32556, 40695, 48834, 51547, 54260, 65112, 81390, 97668, 103094, 108520, 122085, 154641, 162780, 195336, 206188, 244170, 257735, 309282, 325560, 412376, 463923, 488340, 515470, 618564, 773205, 927846, 976680, 1030940, 1237128, 1546410, 1855692, 2061880, 2319615, 3092820, 3711384, 4639230, 6185640, 9278460, 18556920]

約数ペア:

[(1, 18556920), (2, 9278460), (3, 6185640), (4, 4639230), (5, 3711384), (6, 3092820), (8, 2319615), (9, 2061880), (10, 1855692), (12, 1546410), (15, 1237128), (18, 1030940), (19, 976680), (20, 927846), (24, 773205), (30, 618564), (36, 515470), (38, 488340), (40, 463923), (45, 412376), (57, 325560), (60, 309282), (72, 257735), (76, 244170), (90, 206188), (95, 195336), (114, 162780), (120, 154641), (152, 122085), (171, 108520), (180, 103094), (190, 97668), (228, 81390), (285, 65112), (342, 54260), (360, 51547), (380, 48834), (456, 40695), (570, 32556), (684, 27130), (760, 24417), (855, 21704), (1140, 16278), (1368, 13565), (1710, 10852), (2280, 8139), (2713, 6840), (3420, 5426)]