19867920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4357}}^1$

素因数の和:4392

約数の個数: 80

約数和(自身を含む): 64847040

約数和(自身を除く): 44979120

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, 4357, 4560, 8714, 13071, 17428, 21785, 26142, 34856, 43570, 52284, 65355, 69712, 82783, 87140, 104568, 130710, 165566, 174280, 209136, 248349, 261420, 331132, 348560, 413915, 496698, 522840, 662264, 827830, 993396, 1045680, 1241745, 1324528, 1655660, 1986792, 2483490, 3311320, 3973584, 4966980, 6622640, 9933960, 19867920]

約数ペア:

[(1, 19867920), (2, 9933960), (3, 6622640), (4, 4966980), (5, 3973584), (6, 3311320), (8, 2483490), (10, 1986792), (12, 1655660), (15, 1324528), (16, 1241745), (19, 1045680), (20, 993396), (24, 827830), (30, 662264), (38, 522840), (40, 496698), (48, 413915), (57, 348560), (60, 331132), (76, 261420), (80, 248349), (95, 209136), (114, 174280), (120, 165566), (152, 130710), (190, 104568), (228, 87140), (240, 82783), (285, 69712), (304, 65355), (380, 52284), (456, 43570), (570, 34856), (760, 26142), (912, 21785), (1140, 17428), (1520, 13071), (2280, 8714), (4357, 4560)]