18956640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{541}}^1$

素因数の和:632

約数の個数: 96

約数和(自身を含む): 60643296

約数和(自身を除く): 41686656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 73, 80, 96, 120, 146, 160, 219, 240, 292, 365, 438, 480, 541, 584, 730, 876, 1082, 1095, 1168, 1460, 1623, 1752, 2164, 2190, 2336, 2705, 2920, 3246, 3504, 4328, 4380, 5410, 5840, 6492, 7008, 8115, 8656, 8760, 10820, 11680, 12984, 16230, 17312, 17520, 21640, 25968, 32460, 35040, 39493, 43280, 51936, 64920, 78986, 86560, 118479, 129840, 157972, 197465, 236958, 259680, 315944, 394930, 473916, 592395, 631888, 789860, 947832, 1184790, 1263776, 1579720, 1895664, 2369580, 3159440, 3791328, 4739160, 6318880, 9478320, 18956640]

約数ペア:

[(1, 18956640), (2, 9478320), (3, 6318880), (4, 4739160), (5, 3791328), (6, 3159440), (8, 2369580), (10, 1895664), (12, 1579720), (15, 1263776), (16, 1184790), (20, 947832), (24, 789860), (30, 631888), (32, 592395), (40, 473916), (48, 394930), (60, 315944), (73, 259680), (80, 236958), (96, 197465), (120, 157972), (146, 129840), (160, 118479), (219, 86560), (240, 78986), (292, 64920), (365, 51936), (438, 43280), (480, 39493), (541, 35040), (584, 32460), (730, 25968), (876, 21640), (1082, 17520), (1095, 17312), (1168, 16230), (1460, 12984), (1623, 11680), (1752, 10820), (2164, 8760), (2190, 8656), (2336, 8115), (2705, 7008), (2920, 6492), (3246, 5840), (3504, 5410), (4328, 4380)]