19529132

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 40857600

約数和(自身を除く): 21328468

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 149, 151, 217, 298, 302, 434, 596, 604, 868, 1043, 1057, 2086, 2114, 4172, 4228, 4619, 4681, 9238, 9362, 18476, 18724, 22499, 32333, 32767, 44998, 64666, 65534, 89996, 129332, 131068, 157493, 314986, 629972, 697469, 1394938, 2789876, 4882283, 9764566, 19529132]

約数ペア:

[(1, 19529132), (2, 9764566), (4, 4882283), (7, 2789876), (14, 1394938), (28, 697469), (31, 629972), (62, 314986), (124, 157493), (149, 131068), (151, 129332), (217, 89996), (298, 65534), (302, 64666), (434, 44998), (596, 32767), (604, 32333), (868, 22499), (1043, 18724), (1057, 18476), (2086, 9362), (2114, 9238), (4172, 4681), (4228, 4619)]