18468380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 47900160

約数和(自身を除く): 29431780

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 53, 70, 76, 95, 106, 131, 133, 140, 190, 212, 262, 265, 266, 371, 380, 524, 530, 532, 655, 665, 742, 917, 1007, 1060, 1310, 1330, 1484, 1834, 1855, 2014, 2489, 2620, 2660, 3668, 3710, 4028, 4585, 4978, 5035, 6943, 7049, 7420, 9170, 9956, 10070, 12445, 13886, 14098, 17423, 18340, 20140, 24890, 27772, 28196, 34715, 34846, 35245, 48601, 49780, 69430, 69692, 70490, 87115, 97202, 131917, 138860, 140980, 174230, 194404, 243005, 263834, 348460, 486010, 527668, 659585, 923419, 972020, 1319170, 1846838, 2638340, 3693676, 4617095, 9234190, 18468380]

約数ペア:

[(1, 18468380), (2, 9234190), (4, 4617095), (5, 3693676), (7, 2638340), (10, 1846838), (14, 1319170), (19, 972020), (20, 923419), (28, 659585), (35, 527668), (38, 486010), (53, 348460), (70, 263834), (76, 243005), (95, 194404), (106, 174230), (131, 140980), (133, 138860), (140, 131917), (190, 97202), (212, 87115), (262, 70490), (265, 69692), (266, 69430), (371, 49780), (380, 48601), (524, 35245), (530, 34846), (532, 34715), (655, 28196), (665, 27772), (742, 24890), (917, 20140), (1007, 18340), (1060, 17423), (1310, 14098), (1330, 13886), (1484, 12445), (1834, 10070), (1855, 9956), (2014, 9170), (2489, 7420), (2620, 7049), (2660, 6943), (3668, 5035), (3710, 4978), (4028, 4585)]