18993280

素因数分解:

$2^7\times 5^1\times {\mathrm{59}}^1\times {\mathrm{503}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 46267200

約数和(自身を除く): 27273920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 295, 320, 472, 503, 590, 640, 944, 1006, 1180, 1888, 2012, 2360, 2515, 3776, 4024, 4720, 5030, 7552, 8048, 9440, 10060, 16096, 18880, 20120, 29677, 32192, 37760, 40240, 59354, 64384, 80480, 118708, 148385, 160960, 237416, 296770, 321920, 474832, 593540, 949664, 1187080, 1899328, 2374160, 3798656, 4748320, 9496640, 18993280]

約数ペア:

[(1, 18993280), (2, 9496640), (4, 4748320), (5, 3798656), (8, 2374160), (10, 1899328), (16, 1187080), (20, 949664), (32, 593540), (40, 474832), (59, 321920), (64, 296770), (80, 237416), (118, 160960), (128, 148385), (160, 118708), (236, 80480), (295, 64384), (320, 59354), (472, 40240), (503, 37760), (590, 32192), (640, 29677), (944, 20120), (1006, 18880), (1180, 16096), (1888, 10060), (2012, 9440), (2360, 8048), (2515, 7552), (3776, 5030), (4024, 4720)]