19648320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:328

約数の個数: 112

約数和(自身を含む): 63325248

約数和(自身を除く): 43676928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 97, 120, 160, 192, 194, 211, 240, 291, 320, 388, 422, 480, 485, 582, 633, 776, 844, 960, 970, 1055, 1164, 1266, 1455, 1552, 1688, 1940, 2110, 2328, 2532, 2910, 3104, 3165, 3376, 3880, 4220, 4656, 5064, 5820, 6208, 6330, 6752, 7760, 8440, 9312, 10128, 11640, 12660, 13504, 15520, 16880, 18624, 20256, 20467, 23280, 25320, 31040, 33760, 40512, 40934, 46560, 50640, 61401, 67520, 81868, 93120, 101280, 102335, 122802, 163736, 202560, 204670, 245604, 307005, 327472, 409340, 491208, 614010, 654944, 818680, 982416, 1228020, 1309888, 1637360, 1964832, 2456040, 3274720, 3929664, 4912080, 6549440, 9824160, 19648320]

約数ペア:

[(1, 19648320), (2, 9824160), (3, 6549440), (4, 4912080), (5, 3929664), (6, 3274720), (8, 2456040), (10, 1964832), (12, 1637360), (15, 1309888), (16, 1228020), (20, 982416), (24, 818680), (30, 654944), (32, 614010), (40, 491208), (48, 409340), (60, 327472), (64, 307005), (80, 245604), (96, 204670), (97, 202560), (120, 163736), (160, 122802), (192, 102335), (194, 101280), (211, 93120), (240, 81868), (291, 67520), (320, 61401), (388, 50640), (422, 46560), (480, 40934), (485, 40512), (582, 33760), (633, 31040), (776, 25320), (844, 23280), (960, 20467), (970, 20256), (1055, 18624), (1164, 16880), (1266, 15520), (1455, 13504), (1552, 12660), (1688, 11640), (1940, 10128), (2110, 9312), (2328, 8440), (2532, 7760), (2910, 6752), (3104, 6330), (3165, 6208), (3376, 5820), (3880, 5064), (4220, 4656)]