19445880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{467}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 58631040

約数和(自身を除く): 39185160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 347, 467, 694, 934, 1041, 1388, 1401, 1735, 1868, 2082, 2335, 2776, 2802, 3470, 3736, 4164, 4670, 5205, 5604, 6940, 7005, 8328, 9340, 10410, 11208, 13880, 14010, 18680, 20820, 28020, 41640, 56040, 162049, 324098, 486147, 648196, 810245, 972294, 1296392, 1620490, 1944588, 2430735, 3240980, 3889176, 4861470, 6481960, 9722940, 19445880]

約数ペア:

[(1, 19445880), (2, 9722940), (3, 6481960), (4, 4861470), (5, 3889176), (6, 3240980), (8, 2430735), (10, 1944588), (12, 1620490), (15, 1296392), (20, 972294), (24, 810245), (30, 648196), (40, 486147), (60, 324098), (120, 162049), (347, 56040), (467, 41640), (694, 28020), (934, 20820), (1041, 18680), (1388, 14010), (1401, 13880), (1735, 11208), (1868, 10410), (2082, 9340), (2335, 8328), (2776, 7005), (2802, 6940), (3470, 5604), (3736, 5205), (4164, 4670)]