19473580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:695

約数の個数: 72

約数和(自身を含む): 49182336

約数和(自身を除く): 29708756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 641, 868, 980, 1085, 1282, 1519, 2170, 2564, 3038, 3205, 4340, 4487, 6076, 6410, 7595, 8974, 12820, 15190, 17948, 19871, 22435, 30380, 31409, 39742, 44870, 62818, 79484, 89740, 99355, 125636, 139097, 157045, 198710, 278194, 314090, 397420, 556388, 628180, 695485, 973679, 1390970, 1947358, 2781940, 3894716, 4868395, 9736790, 19473580]

約数ペア:

[(1, 19473580), (2, 9736790), (4, 4868395), (5, 3894716), (7, 2781940), (10, 1947358), (14, 1390970), (20, 973679), (28, 695485), (31, 628180), (35, 556388), (49, 397420), (62, 314090), (70, 278194), (98, 198710), (124, 157045), (140, 139097), (155, 125636), (196, 99355), (217, 89740), (245, 79484), (310, 62818), (434, 44870), (490, 39742), (620, 31409), (641, 30380), (868, 22435), (980, 19871), (1085, 17948), (1282, 15190), (1519, 12820), (2170, 8974), (2564, 7595), (3038, 6410), (3205, 6076), (4340, 4487)]