18212640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2034

約数の個数: 96

約数和(自身を含む): 60419520

約数和(自身を除く): 42206880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 380, 456, 480, 570, 608, 760, 912, 1140, 1520, 1824, 1997, 2280, 3040, 3994, 4560, 5991, 7988, 9120, 9985, 11982, 15976, 19970, 23964, 29955, 31952, 37943, 39940, 47928, 59910, 63904, 75886, 79880, 95856, 113829, 119820, 151772, 159760, 189715, 191712, 227658, 239640, 303544, 319520, 379430, 455316, 479280, 569145, 607088, 758860, 910632, 958560, 1138290, 1214176, 1517720, 1821264, 2276580, 3035440, 3642528, 4553160, 6070880, 9106320, 18212640]

約数ペア:

[(1, 18212640), (2, 9106320), (3, 6070880), (4, 4553160), (5, 3642528), (6, 3035440), (8, 2276580), (10, 1821264), (12, 1517720), (15, 1214176), (16, 1138290), (19, 958560), (20, 910632), (24, 758860), (30, 607088), (32, 569145), (38, 479280), (40, 455316), (48, 379430), (57, 319520), (60, 303544), (76, 239640), (80, 227658), (95, 191712), (96, 189715), (114, 159760), (120, 151772), (152, 119820), (160, 113829), (190, 95856), (228, 79880), (240, 75886), (285, 63904), (304, 59910), (380, 47928), (456, 39940), (480, 37943), (570, 31952), (608, 29955), (760, 23964), (912, 19970), (1140, 15976), (1520, 11982), (1824, 9985), (1997, 9120), (2280, 7988), (3040, 5991), (3994, 4560)]