19925498

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 32762880

約数和(自身を除く): 12837382

約数列:

[1, 2, 23, 31, 46, 62, 89, 157, 178, 314, 713, 1426, 2047, 2759, 3611, 4094, 4867, 5518, 7222, 9734, 13973, 27946, 63457, 111941, 126914, 223882, 321379, 433163, 642758, 866326, 9962749, 19925498]

約数ペア:

[(1, 19925498), (2, 9962749), (23, 866326), (31, 642758), (46, 433163), (62, 321379), (89, 223882), (157, 126914), (178, 111941), (314, 63457), (713, 27946), (1426, 13973), (2047, 9734), (2759, 7222), (3611, 5518), (4094, 4867)]