19121520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7243}}^1$

素因数の和:7270

約数の個数: 80

約数和(自身を含む): 64674432

約数和(自身を除く): 45552912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 7243, 14486, 21729, 28972, 36215, 43458, 57944, 72430, 79673, 86916, 108645, 115888, 144860, 159346, 173832, 217290, 239019, 289720, 318692, 347664, 398365, 434580, 478038, 579440, 637384, 796730, 869160, 956076, 1195095, 1274768, 1593460, 1738320, 1912152, 2390190, 3186920, 3824304, 4780380, 6373840, 9560760, 19121520]

約数ペア:

[(1, 19121520), (2, 9560760), (3, 6373840), (4, 4780380), (5, 3824304), (6, 3186920), (8, 2390190), (10, 1912152), (11, 1738320), (12, 1593460), (15, 1274768), (16, 1195095), (20, 956076), (22, 869160), (24, 796730), (30, 637384), (33, 579440), (40, 478038), (44, 434580), (48, 398365), (55, 347664), (60, 318692), (66, 289720), (80, 239019), (88, 217290), (110, 173832), (120, 159346), (132, 144860), (165, 115888), (176, 108645), (220, 86916), (240, 79673), (264, 72430), (330, 57944), (440, 43458), (528, 36215), (660, 28972), (880, 21729), (1320, 14486), (2640, 7243)]