18728960

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:117

約数の個数: 96

約数和(自身を含む): 47174400

約数和(自身を除く): 28445440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 59, 62, 64, 80, 118, 124, 128, 155, 160, 236, 248, 256, 295, 310, 320, 472, 496, 512, 590, 620, 640, 944, 992, 1024, 1180, 1240, 1280, 1829, 1888, 1984, 2048, 2360, 2480, 2560, 3658, 3776, 3968, 4720, 4960, 5120, 7316, 7552, 7936, 9145, 9440, 9920, 10240, 14632, 15104, 15872, 18290, 18880, 19840, 29264, 30208, 31744, 36580, 37760, 39680, 58528, 60416, 63488, 73160, 75520, 79360, 117056, 120832, 146320, 151040, 158720, 234112, 292640, 302080, 317440, 468224, 585280, 604160, 936448, 1170560, 1872896, 2341120, 3745792, 4682240, 9364480, 18728960]

約数ペア:

[(1, 18728960), (2, 9364480), (4, 4682240), (5, 3745792), (8, 2341120), (10, 1872896), (16, 1170560), (20, 936448), (31, 604160), (32, 585280), (40, 468224), (59, 317440), (62, 302080), (64, 292640), (80, 234112), (118, 158720), (124, 151040), (128, 146320), (155, 120832), (160, 117056), (236, 79360), (248, 75520), (256, 73160), (295, 63488), (310, 60416), (320, 58528), (472, 39680), (496, 37760), (512, 36580), (590, 31744), (620, 30208), (640, 29264), (944, 19840), (992, 18880), (1024, 18290), (1180, 15872), (1240, 15104), (1280, 14632), (1829, 10240), (1888, 9920), (1984, 9440), (2048, 9145), (2360, 7936), (2480, 7552), (2560, 7316), (3658, 5120), (3776, 4960), (3968, 4720)]