19533840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:624

約数の個数: 80

約数和(自身を含む): 61008000

約数和(自身を除く): 41474160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 199, 240, 398, 409, 597, 796, 818, 995, 1194, 1227, 1592, 1636, 1990, 2045, 2388, 2454, 2985, 3184, 3272, 3980, 4090, 4776, 4908, 5970, 6135, 6544, 7960, 8180, 9552, 9816, 11940, 12270, 15920, 16360, 19632, 23880, 24540, 32720, 47760, 49080, 81391, 98160, 162782, 244173, 325564, 406955, 488346, 651128, 813910, 976692, 1220865, 1302256, 1627820, 1953384, 2441730, 3255640, 3906768, 4883460, 6511280, 9766920, 19533840]

約数ペア:

[(1, 19533840), (2, 9766920), (3, 6511280), (4, 4883460), (5, 3906768), (6, 3255640), (8, 2441730), (10, 1953384), (12, 1627820), (15, 1302256), (16, 1220865), (20, 976692), (24, 813910), (30, 651128), (40, 488346), (48, 406955), (60, 325564), (80, 244173), (120, 162782), (199, 98160), (240, 81391), (398, 49080), (409, 47760), (597, 32720), (796, 24540), (818, 23880), (995, 19632), (1194, 16360), (1227, 15920), (1592, 12270), (1636, 11940), (1990, 9816), (2045, 9552), (2388, 8180), (2454, 7960), (2985, 6544), (3184, 6135), (3272, 5970), (3980, 4908), (4090, 4776)]