18271920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4007}}^1$

素因数の和:4042

約数の個数: 80

約数和(自身を含む): 59639040

約数和(自身を除く): 41367120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4007, 4560, 8014, 12021, 16028, 20035, 24042, 32056, 40070, 48084, 60105, 64112, 76133, 80140, 96168, 120210, 152266, 160280, 192336, 228399, 240420, 304532, 320560, 380665, 456798, 480840, 609064, 761330, 913596, 961680, 1141995, 1218128, 1522660, 1827192, 2283990, 3045320, 3654384, 4567980, 6090640, 9135960, 18271920]

約数ペア:

[(1, 18271920), (2, 9135960), (3, 6090640), (4, 4567980), (5, 3654384), (6, 3045320), (8, 2283990), (10, 1827192), (12, 1522660), (15, 1218128), (16, 1141995), (19, 961680), (20, 913596), (24, 761330), (30, 609064), (38, 480840), (40, 456798), (48, 380665), (57, 320560), (60, 304532), (76, 240420), (80, 228399), (95, 192336), (114, 160280), (120, 152266), (152, 120210), (190, 96168), (228, 80140), (240, 76133), (285, 64112), (304, 60105), (380, 48084), (456, 40070), (570, 32056), (760, 24042), (912, 20035), (1140, 16028), (1520, 12021), (2280, 8014), (4007, 4560)]