18350720

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:613

約数の個数: 64

約数和(自身を含む): 44780040

約数和(自身を除く): 26429320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 541, 640, 848, 1060, 1082, 1696, 2120, 2164, 2705, 3392, 4240, 4328, 5410, 6784, 8480, 8656, 10820, 16960, 17312, 21640, 28673, 33920, 34624, 43280, 57346, 69248, 86560, 114692, 143365, 173120, 229384, 286730, 346240, 458768, 573460, 917536, 1146920, 1835072, 2293840, 3670144, 4587680, 9175360, 18350720]

約数ペア:

[(1, 18350720), (2, 9175360), (4, 4587680), (5, 3670144), (8, 2293840), (10, 1835072), (16, 1146920), (20, 917536), (32, 573460), (40, 458768), (53, 346240), (64, 286730), (80, 229384), (106, 173120), (128, 143365), (160, 114692), (212, 86560), (265, 69248), (320, 57346), (424, 43280), (530, 34624), (541, 33920), (640, 28673), (848, 21640), (1060, 17312), (1082, 16960), (1696, 10820), (2120, 8656), (2164, 8480), (2705, 6784), (3392, 5410), (4240, 4328)]